.course {
    height: 100%;
    width: 100%;
    .top {
        height: 45%;
        width: 100%;
        background-color: #333;
        video{
            height: 100%;
            width: 100%;
            display: none;
        }
        .top-icon{
            top: 0;
            height: 100%;
            color: #fff;
            .icon-left{
                position: absolute;
                left: 0;
                top: 0;
                font-size: 40px;
            }
            p{
                .icon-suspend{
                    font-size: 40px;
                    text-align: center;
                }
                flex-direction: column;
                position: absolute;
                top: 15%;
                left: 42%;
            }
        }
    }

    .bottom {
        /* background-color: aqua; */
        width: 100%;
        height: 55%;
        padding: 20px;

        .title {
            border-bottom: 1px solid #8a8c8e;
            padding-bottom: 10px;
            justify-content: space-between;

            .exercise {
                display: inline-block;
                color: #8a8c8e;
                margin-right: 10px;

                .number {
                    font-size: 18px;
                    font-weight: bold;
                    color: #333;
                }

            }

            .people {
                justify-content: flex-end;
                flex: 1;
                color: #8a8c8e;
            }
        }
    }

    .portrait {
        margin-top: 20px;
        height: 50px;

        img {
            width: 50px;
            border-radius: 50%;
        }

        button {
            background-color: #4294ff;
            color: #fff;
            width: 80px;
            height: 35px;
            border-radius: 20px;
        }
    }

    .text {
        margin-top: 10px;

        span {
            color: #8a8c8e;
        }
    }

    .font {
        .left {
            border-right: 1px solid #8a8c8e;
            .icon-shezhi {
                font-size: 24px;
            }
        }
        .right{
            padding-left: 20px;
            .icon-fitness {
                font-size: 24px;
            }
        }
    }
    .begin{
        margin-top: 20px;
        width: 100%;
        height: 50px;
        text-align: center;
        border-radius: 25px;
        background-color: #4294ff;
        color: #fff;
        font-size: 20px;
    }
}